GPTZero vs Logically
Logically uniquely has 18 features · GPTZero uniquely has 9 features.
| GPTZero | Logically | |
|---|---|---|
| Company | ||
| Founded | 2023 | — |
| HQ | New York, USA | — |
| AI model | Proprietary | Claude, Gemini, ChatGPT (multi-model) |
| User base | 17 million+ | 100K+ |
| Platforms | Web, Chrome Extension, Google Docs, Canvas LMS, Google Classroom | Web, Browser Extensions |
| Languages | English, Arabic, Korean, Japanese, Chinese, Italian, French, Spanish, German, Portuguese | — |
| Pricing | ||
| Pricing model | — | Freemium |
| Free plan | Yes | Yes |
| Free trial | No — limited free plan available | No |
| Starting price | $0/mo | $30/mo |
| Enterprise | Custom — Contact Sales (Team plan also available with shared credits and unified billing) | Custom — contact via form for institutional/organization pricing with seat discounts |
| Refund policy | — | 30-day money-back guarantee |
| All plans | Premium$23.99/moProfessional$45.99/mo | FreeFreeUnlimited$30/mo |
| Positioning | ||
| Best for | Educators, teachers, students, publishers, and businesses needing AI content detection and writing authenticity verification | Students, researchers, academics, and professionals who need citation-backed writing and reference management |
| Differentiator | GPTZero combines 7-component proprietary AI detection with Writing Replay video verification and sentence-level AI highlighting, claiming 99% accuracy independently validated by Penn State and the RAID benchmark. | All-in-one AI-powered workspace combining citation-backed research, reference management, PDF annotation, and AI document writing powered by Claude, Gemini, and ChatGPT in a single platform. |
| Competitors | Turnitin, ZeroGPT, Copyleaks, Originality.ai, Winston AI | Zotero, Mendeley, Jenni.ai, SciSpace, NotebookLM, EndNote, ChatGPT |
| Features | ||
| AI Autosuggestions | — | ✓ |
| AI Chat Messages | — | ✓ |
| AI Commands | — | ✓ |
| AI Reports Download | ✓ | — |
| AI Text Detection | ✓ | — |
| Advanced & Reasoning AI Models | — | ✓ |
| Batch File Scanning | ✓ | — |
| Centralized Admin Portal | — | ✓ |
| Centralized Admin Portal for Teams | — | ✓ |
| Chrome Extension | ✓ | — |
| Discount for Multiple Seats | — | ✓ |
| Hallucination Detector | ✓ | — |
| Multi Seat Discount | — | ✓ |
| Multilingual AI Detection | ✓ | — |
| Reference & File Storage | — | ✓ |
| Unlimited AI Autosuggestions | — | ✓ |
| Unlimited AI Chat Messages | — | ✓ |
| Unlimited Reference & File Storage | — | ✓ |
| Academic Search | ✕ | ✓ |
| AI Summarization | ✕ | ✓ |
| API Access | ✓ | — |
| Browser Extension | ✓ | ✓ |
| Citation Generation | ✓ | ✓ |
| Data Privacy | ✓ | ✓ |
| Document Upload | ✓ | ✓ |
| Export Formats | PDF — downloadable AI reports | PDF, DOCX, MDOWN (Markdown); Free plan exports PDF with watermark |
| Fact Checking | ✓ | ✓ |
| Follow Up Questions | ✕ | ✓ |
| Mobile App | ✕ | ✕ |
| Multi Source Synthesis | ✕ | ✓ |
| Team Collaboration | ✓ | ✓ |
| Web Search | ✕ | ✓ |
| Integrations | ||
| API Access | ✓ | — |
| Browser Extension | ✓ | ✓ |
| Google Docs Export | ✓ | ✕ |
| Key Integrations | Google Docs, Google Classroom, Canvas LMS, Chrome Extension, Zapier, API | Zotero import, Mendeley import, DOI/URL import, PDF/DOCX import, Claude, Gemini, ChatGPT AI models |
| Notion Integration | ✕ | — |
| Zotero Integration | ✕ | ✓ |